Increase capacity and maintain consistent platform performance with a modular 4th level add-on designed for tapered choir risers. This component expands existing setups to accommodate larger ensembles while preserving alignment and structural rhythm across tiers. Facilities gain predictable staging depth and configuration flexibility without extensive retrofitting.
LongDescription#@#NA#@@#Cleaning Instructions#@#Clean riser surfaces and high-touch zones with a mild detergent and warm water; use a soft cloth to remove debris from plastic panels, seams, and bench tops. Sanitize weekly with an EPA-registered disinfectant following label dwell times to reduce viral transfer and prevent contamination of food-contact areas. Inspect for spilled food or crumbs under and around risers; remove buildup to deter pests and protect finishes. Dry thoroughly to prevent material degradation.#@@#Additional Info#@#National Public Seating's TPRA 4th Level Add On boosts TransPort Tapered Choral Riser TPR72 capacity to 16–19 adults, with a depth of 79" and height of 32.5". It weighs 57 pounds and meets CSA standards for staging.#@@#General Info#@#Description #@#
Increase capacity and maintain consistent platform performance with a modular 4th level add-on designed for tapered choir risers. This component expands existing setups to accommodate larger ensembles while preserving alignment and structural rhythm across tiers. Facilities gain predictable staging depth and configuration flexibility without extensive retrofitting.
#@@# Sturdy Plastic Construction#@#
Manufacturers design the panel from injection-molded plastic to resist repeated use and simplify maintenance. Facilities benefit from a durable surface that cleans quickly and withstands common wear in school and institutional environments.
#@@# Tapered Tier Compatibility#@#
Engineers shape the piece to match tapered riser geometry, enabling seamless stacking with existing tapered units. Staff save installation time because alignment points and profiles match the original riser geometry.
#@@# Expanded Ensemble Capacity#@#
Field testing shows this add-on increases platform depth to support 16-19 adults when paired with the base TransPort tapered riser, delivering measurable capacity gains. Directors can plan rehearsals and performances for larger groups without needing additional staging purchases.
#@@# Precise Dimensional Fit#@#
Design dimensions include an 18-inch width and a 32.5-inch height with a 79-inch depth specification, enabling predictable footprint calculations for stage layouts. Planners can calculate spacing and sightlines accurately using those fixed measurements.
#@@# Manageable Weight Profile#@#
Engineers balance robustness with transportability, producing a 57-pound unit that crews can handle with standard two-person lifts. Operations reduce labor strain and maintain turnover speed during setup and teardown.
#@@# Institutional Grade Finish#@#
Manufacturers finish the surface in gray to integrate with common auditorium palettes and to hide scuffs during frequent use.
#@@#Delivery Details#@#
• Please ensure to handle the product with utmost care.
• Check if the product you have received has all the essential parts and accessories.
• Make sure to examine the product for damage before signing the delivery receipt.
• Contact customer service for delivery concerns.
• Delivery times may vary based on location.#@@#deliverynotes#@#NA#@@#Maintenance Guide#@#Inspect riser components weekly for cracks, loose fasteners, or deformation and replace damaged parts immediately. Clean plastic surfaces with a neutral pH detergent and warm water; rinse thoroughly and allow complete drying before storage or use. Lubricate hinges and connection points with a food-grade silicone spray every three months. Verify all locking mechanisms engage fully and perform a load test after assembly to confirm stability and user safety.
